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Related Party Transactions (Details) - USD ($)
$ in Thousands
1 Months Ended 3 Months Ended
Oct. 31, 2020
Mar. 31, 2021
Mar. 31, 2020
Dec. 31, 2020
Dec. 21, 2020
Related Party Transaction [Abstract]          
Termination notice period for business development consulting services agreement   60 days      
Term of consulting agreement   3 years      
Warrant issued (in shares)   7,051   603,386  
Restricted Stock Units [Member]          
Related Party Transaction [Abstract]          
Shares granted (in shares)   3,500      
Warrants Exercisable for Common Shares [Member]          
Related Party Transaction [Abstract]          
Warrant issued (in shares)   0     603,386
Member of the Board of Directors - One [Member]          
Related Party Transaction [Abstract]          
Business development consulting services expense (per quarter)   $ 28      
Termination notice period for business development consulting services agreement   14 days      
Related party expenses   $ 28 $ 28    
Member of the Board of Directors - Two [Member]          
Related Party Transaction [Abstract]          
Term of consulting agreement   1 year      
Number of options granted (in shares)   9,784      
Fair value amount of options granted   $ 100      
Spouse of Executive officer [Member] | Restricted Stock Units [Member]          
Related Party Transaction [Abstract]          
Shares granted (in shares) 10,000        
Vesting period   3 years